Tableau I
Signaux extrinsèques de régulation au sein de la niche hématopoïétique CSH, cellules souches hématopoïétiques ; CSM, cellules stromales mésenchymateuses. La source des molécules est indiquée entre crochets.
Les acteurs de la signalisation extrinsèque | Conséquences fonctionnelles | Réf | |
---|---|---|---|
Acide hyaluronique (HA) | CD44 |
|
[35] |
[Matrice extracellulaire] | [CSH] | ||
Ang-1 (angiopoïétine) | Tie2 (tyrosine kinase with Ig and EGF homology domains, récepteur de l’angiopoïétine 1) |
|
[36] |
[CSM, ostéoblastes, mégacaryocytes] | [CSH] | ||
BMPR1a (bone morphogenic protein receptor type 1a) | BMP 2-4 (bone morphogenic protein type 2-4) |
|
[37] |
[Ostéoblastes, ostéoclastes] | [Ostéoblastes, CSM, mégacaryocytes] | ||
BMP 2-4 (bone morphogenic protein type 2-4) |
BMPR1 (bone morphogenic protein receptor type 1) BMPR2 (bone morphogenic protein receptor type 2) |
|
[38] |
[Ostéoblastes, CSM, mégacaryocytes] | [CSH] | ||
Ca ++ | CaS-R (calcium-sensing receptor) |
|
[39] |
[Ostéoblastes - ostéoclastes] | [CSH] | ||
CXCL12 (C-X-C chemokine ligand 12) ou SDF-1α (stromal cell-derived factor 1) |
CXCR4 (C-X-C chemokine receptor type 4) |
|
[40] |
[Cellules CAR > cellules endothéliales > ostéoblastes] | [CSH] | ||
FGF (fibroblast growth factor) | FGF-R (FGF receptor) |
|
[41] |
[CSM] | [CSH] | ||
Fibronectine | VLA5 (very late antigen 5, intégrine α5β1) |
|
[42] |
[Matrice extracellulaire] | [CSH] | ||
ICAM1 (intercellular adhesion molecule) | LFA1 (lymphocyte function-associated antigen 1, intégrine αLβ2) |
|
[43] |
[CSM, ostéoblastes] | [CSH] | ||
JAG-1 (Jagged 1) | NOTCH |
|
[44] |
[Ostéoblastes, cellules endothéliales] | [CSH] | ||
Ligand de FLT3 | FLT3 (Fms-like tyrosine kinase 3) |
|
[45] |
[CSM] | [CSH] | ||
N-Cadhérine | N-Cadhérine |
|
[46] |
[Ostéoblastes] | [CSH] | ||
OPN (ostéopontine) | VLA4 (very late antigen 4, intégrine α4β1) |
|
[47] |
[Ostéoblastes] | [CSH] | ||
OPN (ostéopontine) | CD44 |
|
[47] |
[ostéoblastes] | [CSH] | ||
PTHR (récepteur à la parathormone) | PTH (parathormone) |
|
[48] |
[Ostéoblastes] | [sécrétée par les parathyroïdes dans le sang] | ||
SCF (stem cell factor) | c-Kit |
|
[49] |
[CSM, cellules endothéliales] | [CSH] | ||
SCF transmembranaire | c-Kit |
|
[50] |
[CSM, cellules endothéliales] | [CSH] | ||
SHH (sonic hedgehog) | Patched/SMO (smoothened) |
|
[51] |
[CSM, ostéoblastes] | [CSH] | ||
Sélectine E | CD44 |
|
[52] |
[Cellules endothéliales] | [CSH] | ||
TGFβ (transforming growth factor β) | TGF-R (TGF receptor) |
|
[53] |
[Cellules de Schwann non myélinisantes, mégacaryocytes] | [CSH] | ||
TPO (thrombopoïétine) | MPL (myeloproliferative leukemia virus oncogene, récepteur de la thrombopoïétine) |
|
[54] |
[Ostéoblastes] | [CSH] | ||
VCAM1 (vascular cell adhesion molecule 1) | VLA4 (very late antigen 4, intégrine α4β1) |
|
[42] |
[CSM, ostéoblastes, cellules endothéliales] | [CSH] | ||
Wnt | Frizzled/LRP5-6 β-caténine) (low density lipoprotein-related protein)/ |
|
[55] |
[CSM, ostéoblastes] | [CSH] |
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